attestation

Example:The suspect's denial is the opposite of the attestation by the eye witness that the person was at the scene.

Definition:The act of refuting or denying the truth of something, often in response to a claim or accusation.

Example:The company's disavowal of the product is the direct opposite of the attestation given by the sales department that the product is reliable.

Definition:An official statement that someone or something is not true or genuine, often used in response to a claim or accusation.

Example:The retraction of the initial report is the opposite of the attestation that was originally given by the researchers.

Definition:The act of taking back or canceling a previous statement, especially one that is shown to be incorrect or misleading.